| cyanic acid |
a colorless, poisonous, volatile acid with a pronounced odor of almonds. |
| cyanide |
a chemical compound that contains one carbon and one nitrogen atom together with another element such as potassium or sodium, both of which form extremely poisonous substances. [2 definitions] |
| cyanine |
any of several dyes that are used to sensitize photographic film to certain colors. |
| cyano- |
dark blue. [2 definitions] |
| cyanocobalamin |
a form of vitamin B12. |
| cyanogen |
a poisonous organic gas of carbon and nitrogen that is used for chemical warfare, as a rocket propellant, and in organic synthesis. |
| cyanosis |
the medical condition of bluish skin caused by lack of oxygen in the blood. |
| cyber- |
of, pertaining to, made by, or existing only on computers. |
| cyberbully |
a person who posts hurtful electronic messages on the internet with the intent of bullying another person. [2 definitions] |
| cyberbullying |
bullying that is done by posting hurtful electronic messages on the internet. |
| cybernation |
the use of computers to control and operate equipment, as in manufacturing. |
| cybernetics |
(used with a sing. verb) the science concerned with biological control and communication processes and their imitation by mechanical and electronic devices. |
| cyberspace |
the electronic medium of globally networked computers, esp. when conceived of as a three-dimensional space where online communication and transactions take place. |
| cyberterrorism |
damage to or disruption of computer systems by terrorists, or the use of computer systems in terrorist activities. |
| cycad |
a tropical evergreen plant resembling a palm, but having fernlike leaves. |
| cyclamate |
any of several noncaloric artificial sweeteners. |
| cyclamen |
any of various plants of the primrose family that bear brightly colored flowers and heart-shaped leaves. |
| cycle |
a circle of events that repeats in a regular pattern. [7 definitions] |
| cycle rickshaw |
a type of transportation originating in Asia, having three wheels and two passenger seats, and powered by a person pedaling; pedicab; bicycle rickshaw. |
| cyclic |
pertaining to, forming, or recurring in a cycle. [2 definitions] |
| cyclical |
pertaining to, forming, or recurring in a cycle. [3 definitions] |